CH572817A5 - - Google Patents
Info
- Publication number
- CH572817A5 CH572817A5 CH1392173A CH1392173A CH572817A5 CH 572817 A5 CH572817 A5 CH 572817A5 CH 1392173 A CH1392173 A CH 1392173A CH 1392173 A CH1392173 A CH 1392173A CH 572817 A5 CH572817 A5 CH 572817A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
- B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
- B43L11/05—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with gears
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheet Holders (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9698272A JPS4955428A (US07579456-20090825-P00002.png) | 1972-09-29 | 1972-09-29 | |
| US00398451A US3834028A (en) | 1972-09-29 | 1973-09-18 | Apparatus to draw an oval |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH572817A5 true CH572817A5 (US07579456-20090825-P00002.png) | 1976-02-27 |
Family
ID=26438118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1392173A CH572817A5 (US07579456-20090825-P00002.png) | 1972-09-29 | 1973-09-28 |
Country Status (8)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164901B (en) * | 1984-09-25 | 1988-08-24 | Gen Electric Co Plc | Apparatus for scanning a medium |
| JPS61226297A (ja) * | 1985-03-28 | 1986-10-08 | 安田 寛明 | だ円の切断方法及びその装置 |
| US5206194A (en) * | 1991-06-20 | 1993-04-27 | Union Oil Company Of America | Process for reactivating a deactivated crystalline molecular sieve group VIII metal catalyst |
| US6052909A (en) * | 1998-08-26 | 2000-04-25 | Gardner; Mark T. | Hand-held oval cutting device |
| US6158133A (en) | 1998-12-23 | 2000-12-12 | Fiskars Inc. | Oval cutter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US126782A (en) * | 1872-05-14 | Improvement in ellipsographs |
-
1973
- 1973-09-14 GB GB4335073A patent/GB1446924A/en not_active Expired
- 1973-09-18 US US00398451A patent/US3834028A/en not_active Expired - Lifetime
- 1973-09-19 AU AU60457/73A patent/AU6045773A/en not_active Expired
- 1973-09-26 BE BE2053090A patent/BE805309A/xx unknown
- 1973-09-28 FR FR7334786A patent/FR2201189A1/fr not_active Withdrawn
- 1973-09-28 CA CA182,216A patent/CA988290A/en not_active Expired
- 1973-09-28 DE DE19732348990 patent/DE2348990A1/de active Pending
- 1973-09-28 CH CH1392173A patent/CH572817A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE805309A (fr) | 1974-01-16 |
| CA988290A (en) | 1976-05-04 |
| GB1446924A (en) | 1976-08-18 |
| DE2348990A1 (de) | 1974-04-04 |
| US3834028A (en) | 1974-09-10 |
| FR2201189A1 (US07579456-20090825-P00002.png) | 1974-04-26 |
| AU6045773A (en) | 1975-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |